Amana-Goodman 20162903 Limit Switch

The Amana-Goodman 20162903 Limit Switch is a critical safety component designed for precise thermal monitoring in high-efficiency furnaces and package units. This OEM replacement part is engineered to open the electrical circuit at a fixed 160F temperature rating, preventing hazardous overheating and potential heat exchanger damage. As a CO AUTO limit switch, it features an automatic reset mechanism that restores continuity once the temperature drops to safe operating levels (typically around 120°F), ensuring consistent system uptime without manual intervention.

For contractors performing furnace repair or preventive maintenance, this switch is a direct match for numerous Goodman, Amana, and Janitrol models, including the AMVC, AMH, and GMS series. Its compact button-style design and normally closed configuration facilitate rapid field replacement. Utilizing genuine HVAC replacement parts like the 20162903 ensures that the limit control matches the original equipment manufacturer’s factory specifications for safety and performance.

Key Benefits:

• Precise 160F Thermal Protection: Engineered to trip exactly at 160°F to protect the furnace from rollout and blower failure conditions.
• Automatic Reset Functionality: Minimizes unnecessary service calls by automatically resetting the limit switch once safe temperatures are cleared.
• Broad Compatibility: Fits a wide range of Amana and Goodman furnace parts, including multi-stage and high-efficiency gas furnaces.
• OEM Reliability: Built to factory standards to ensure the same normally closed operation and mounting alignment as the original component.

Common Questions:

Is the 20162903 a manual or automatic reset switch?
This is an automatic reset limit switch. It will trip open at 160°F and automatically close the circuit once the plenum or burner area cools down to its reset differential.

Will this switch fix a furnace that is cycling on high limit?
While the 20162903 replaces a faulty limit control, frequent tripping often indicates underlying issues like a clogged air filter, restricted ductwork, or a failing blower motor. Always verify static pressure and airflow during installation.

Can I use this as a rollout switch?
Though often referred to in rollout circuits, this 160F limit switch must be matched specifically to the temperature requirements of your model's safety string. Always consult the unit's wiring diagram.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.